<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script>
			Test.prototype.LastName = "Deng";
			function Test(){
				this.name = "Li";
				this.age = 18;
			}
			var test = new Test();
		</script>
	</head>
	<body>
	</body>
</html>
